code: def test_bbox_random_crop_adjust_polygons():
      file_root = os.path.join(test_data_root, "db", "coco", "images")
      train_annotations = os.path.join(
          test_data_root, "db", "coco", "instances.json"
      )
      check_bbox_random_crop_adjust_polygons(
          file_root, train_annotations, batch_size=3, num_iters=4
      )
  
file_path: DALI/dali/test/python/test_pipeline_segmentation.py
imports: import nose_utils
  import os
  import numpy
  import nvidia.dali.fn
  import nvidia.dali.math
  import nvidia.dali.types
  from nvidia.dali.pipeline import Pipeline
  from test_utils import get_dali_extra_path
label_desc: Use image node_id 2 for calling a global function with example usage: test_bbox_random_crop_adjust_polygons() without return types